Fluorescent lamp ballast



FIG. 1 is a perspective view of said "fluorescent lamp ballast" showing our new design;

FIG. 2 is a rear elevational view of our new design;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a fluorescent lamp ballast, as shown and described. 